To ensure the safety and effectiveness of a diet pill, what should a colleague do?

Reading the ingredients list is crucial for ensuring the safety and effectiveness of a diet pill. By reviewing the ingredients, one can identify active components that contribute to the pill’s effects and any potential side effects or allergic reactions. This approach allows for an assessment of whether any substances are known to be harmful or ineffective based on research. Additionally, it helps to verify whether the ingredients have been approved by health authorities, ensuring compliance with safety regulations.

While purchasing from a reputable health food store could suggest a level of quality, it does not guarantee the safety of the specific product being sold, as the store's reputation does not directly speak to the efficacy or safety of every item available. Sampling a product for a week might not provide enough data to make an informed judgement about its long-term safety or effectiveness. Reading user testimonials can be subjective and often lack scientific backing, making them less reliable compared to a detailed examination of the ingredients.